Hardware Spec Index

Brontix FN-4901 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4901-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index470 (Case Fans scale)
Category rank#28,278
Street price$19
Power3 W
Performance per dollar24.74
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4901 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4901 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9660841 (accessed 2026-10-26).